原文: PyCoder's Weekly - Issue #376

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• CPython 3.7.4 现已释放
  • PYTHONINSIDER.BLOGSPOT.COM

Lots of bug fixes and small improvements. Full changelog here.

• Python 3.8 先睹为快
  • JERRY PUSSINEN

Playing around with new features in Python 3.8 such as assignment expressions ("walrus operator"), positional-only arguments, and runtime audit hooks.

• 用 Python 读写文件
  • REAL PYTHON
  • video

Learn about reading and writing files in Python from the ground up. You'll cover everything from what a file is made up of to which libraries can help you along that way. You'll also take a look at some basic scenarios of file usage as well as some advanced techniques.

• 用 Python 将数据加载到 PostgreSQL 的最快方法
  • HAKI BENITA

This article explores ways to import messy data from remote source into PostgreSQL using Python and the Psycopg2 module. The data is big, fetched from a remote source, and needs to be cleaned and transformed.

(是也乎:

简单说无论什么渠道, Pg 都吃的了, 问题压力在 Python 这边儿...

)

• 用 Docker 将 Django 部署到 Heroku
  • MICHAEL HERMAN

This post looks at how to deploy a Django app to Heroku with Docker via the Heroku Container Runtime.

(是也乎:

各家 PaaS 都用上了自己的容器平台...

)

讨论

Discussions

• pip 其实只由 5 人在维护
  • TWITTER.COM/KARTAR

Related discussion on Hacker News.

• Python 嗯哼到 WebAssembly
  • TWITTER.COM/WASMERIO

(是也乎:

动态网页终于回到 汇编时代...

)

文章,教程和嗯哼

Articles, Tutorials and Talks

• 写更多 Pythonic 代码 (学习路径)
  • REAL PYTHON

Get a guided tour through Python's best practices so you can write cleaner, more readable, and more Pythonic code.

(是也乎:

很明显, 插画师, 并不理解什么是 Pythonic

)

• Domain Driven Design for Python
  • PYTHONPODCAST.COM
  • podcast

An interview with Henry Percival about software architecture patterns for large and complex systems, and how they translate to Python projects.

(是也乎:

DDD 在 Python , 其实...

)

• 什么是动态编程?(以 Python 为例)
  • BRANDON SKERRITT

Dynamic programming is breaking down anproblem into smaller sub-problems, and storing the solution to each sub-problems so we don't repeat calculations.

• Python 帮助系统
  • NICHOLAS SAMUEL

In this article, you will learn how to use Python's built-in help system that you can use to look up documentation directly from within a REPL session.

(是也乎:

其实内置文档非常丰富的, 只是调阅有技巧,又不支持 i18N...

)

• 常见的 Python OOP 示例和解决方案
  • PYTHONPROGRAMMING.IN
  • • Shared by Amit Arora

Examples of object-oriented programming (OOP) concepts of abstraction, encapsulation of data, inheritance, polymorphism, meta-classes and decorators.

(是也乎:

古典主义 OOP

)

• 用 Azure 的 Face Detect 和 Python 构建名人相似探测器
  • CHRIS MOFFITT

This article describes how to use Microsoft Azure's Face API with Python to identify faces in images and determine if they are of the same person.

(是也乎:

在AliYun 开放人脸识别半年后, Azure 也开放了...

)

• USA Python 开发者平均收入?
  • DAXX.COM

What makes Python popular? What is the average Python developer salary in the US? And how many Python programmers are there in the world?

(是也乎:

扎心了, 老铁...

11~12万$/年

)

• Python 类型提示概述
  • VICKI BOYKIS

Why type hints were added to Python and how they can help you write more maintainable code and make Python programming more enjoyable.

• 用 Python 和 xlwings 在 Excel 中创建新的动态数组
  • FELIX ZUMSTEIN

Dynamic arrays are a new feature in Microsoft Excel. See how they work with Python and xlwings UDFs.

(是也乎:

UDFs 为了兼容 OOXML 一直在拼命

)

• Pentesting / Security World 中最常用的 Python 代码
  • KUSHAL DAS

Take a guess...

(是也乎:

小领域中常用代码段...

)

• 来自 @pythonetc Telegram Channel 的 Python 技巧
  • HABR.COM

(是也乎:

电报频道收集到的技巧

)

• Folding vs Currying in Python

  • MATIAS MORANT

• Matlab vs Julia vs Python

  • TOBY DRISCOLL

(是也乎:

MATLAB 是 BMW; Python 是 Ford 皮卡; Julia 是 Tesla.

哈?

)

• Python 中的简单调度程序
  • BHUPESH VARSHNEY • Shared by Bhupesh Varshney

(是也乎:

用 Python 完成一个定期任务并不复杂, 困难的是如何保证守护真的能长期运行等待?

)

• Python 断言声明

  • JACOB STOPAK

• 修复了常见的 PyQGIS 插件迁移问题

  • JONATHAN WILLITTS

好物

Interesting Projects, Tools and Libraries, Projects & Code

• tiny-tetris: Python 俄罗斯方块 That "Fits on a Business Card"
  • GITHUB.COM/NICKMPAZ

(是也乎:

单文件游戏

git clone https://github.com/nickmpaz/tiny-tetris && cd tiny-tetris && python3 tiny-tetris.py

目的是可以在任何有网络的设备中, 随时恢复摸鱼?

)

• Dragster: 用于构建数据应用程序的开源 Python库

  • NICK SCHROCK

• vue.py: 在浏览器中使用 VueJS 和 Pure Python

  • GITHUB.COM/STEFANHOELZL

• python_autocomplete: 使用深度学习自动完成 Python

  • GITHUB.COM/VPJ

(是也乎:

Python 程序猿整体失业指日可待?

)

• HTTP Toolkit: 捕获,查看和探索 Python 代码的 HTTP 流量
  • HTTPTOOLKIT.TECH
  • • Shared by Tim Perry

(是也乎:

收费 GUI 调试工具

)

• marc: 纯 Python 的 Markov链

  • GITHUB.COM/MAXHUMBER
  • • Shared by Max Humber

• op-askpass: 用 1Password 中存储的密码解锁 SSH 密钥

  • GITLAB.COM/MACIEJ.GOL
  • • Shared by Maciej Gol

(是也乎:

少见的 1Password 次生工具

)

• Websauna: Full Stack Python Web Framework
  • WEBSAUNA.ORG

(是也乎:

叕一个全栈式框架, 只是名字都没 Django 简洁的, 很难出头.

)

• aiortc: 用 Asyncio 进行 Python 的 WebRTC 和 ORTC 实现

  • GITHUB.COM/AIORTC
  • • Shared by Python Bytes FM

• flake8-comprehensions: Flake8 插件,可以帮助您更好地理解

  • GITHUB.COM/ADAMCHAINZ
  • • Shared by Python Bytes FM

• Ibis: Python 数据分析生产力框架

  • IBIS-PROJECT.ORG

(是也乎:

解决远程数据仓库和本地数据处理进程间的交互问题.

)

• flynt: 自动将旧字符串文字格式转换为 F-Strings
  • GITHUB.COM/IKAMENSH

(是也乎:

也是个不妥协工具

)

📆🐍 活动/大会

Events

• ⋅ SciPy 2019

  • July 8 to July 15, 2019

• ⋅ EuroPython 2019

  • July 8 to July 15, 2019
  • SP

• ⋅ Python Atlanta Meetup

  • July 11, 2019
  • USA

• ⋅ PyData London 2019

  • July 12 to July 15, 2019
  • 大英

• ⋅ Python Miami

  • July 13 to July 14, 2019
  • USA

• ⋅ Dash Conference

  • July 16 to July 17, 2019
  • in NYC

DAMA

❤️ Happy Pythonic ;-(大妈私人无责任播报)

• 蟒营 Python 入门班
  • 第2期

开始报名, 190725截止,

课程: 0728~0908

~ helps you setup a new Python project

• What Can I Do With Python? – Real Python
  • FAQ

(是也乎:

总是永远有人问这个问题... 当然, 这个问题任何一个技术社区都有人在问...

其实, 本质上并不是对应技术是否有什么能力, 而是相反...

)

Jobs:

必须 Pythonic 相关

• Wangjunyu/MemectRecruitment: 文因招聘
  • 北京
  • anti-996

是也乎

• 190710 Zoom.Quiet(大妈) 用时 42 分钟 完成快译
• 190710 Zoom.Quiet(大妈) 用时 17 分钟 完成格式转抄.